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TABLE 2
<br /> Concentrations of Selected Constituents in Groundwater
<br /> Former Disco Site
<br /> Stockton,California
<br /> Concentration u IL
<br /> ,:.Monitoring. - Sample -:;+: ._ ,:� EthYl•...i
<br /> -Wail 's Date- ' `"TPH 12DCA' EDB" -'Benzene- �Taluerie'- benzene .'X`lene •TBA. - '--MTBE-"p .--DIPS. "ETBE'= TAME Lead
<br /> SVESOUTA 4117197 212,000 18,300 30,900 2,500 16,900 NA 224" NA2!9NA NA NS
<br /> 6112197 NA <5 NA NA NA
<br /> 8117 130,000,, 17,040 2B,000 3 100 19,000 NA <100 <100 <100 <100 NS
<br /> 12!22197 148,000 16,400 28,70D °3,010 23,600 NS
<br /> 4118!98 125,000 11,000 20,600 2,380 18,300 NS
<br /> 4117198 NA <40 <20 <20 <20
<br /> 5121198 140 NA NA NA NA
<br /> 7123!98 120,000 9,900 18000 3,300 23,000 <20 <20 <5 <5 <5 NS
<br /> 11/11198 78,000a 7,500a 29,000b 2,600a 21,000a <200 <20 <20 <20 <20 NS
<br /> 2111!99 140,000 7,600 18,000 2,500 19,000 <50 <5 <5 <5 <5 NS
<br /> 7116!99 100,000 9,500 16 000 2,600 23,000 <50 <5 <5 <5 <5 NS
<br /> 77!8!99 73,000a <5.0 770 4,200h 12,000b 2,000b 160004 <50 <5 <5 <5 <5 NS
<br /> 3729!00 130,000a 12 ODOb 29,000b 4,100b 23,0004 <20 <5 <5 <5 <5 NS
<br /> 5!5/00 990 500 <20 <5 <5 <5 <5
<br /> &1213106 NS 760 320 NS NS NS NS <25 <25 <50 <25 <25 NS
<br /> 11116100 64,000 620 360 5,100 13,000 2,100 14,000 -FO <60 <100 <50 <50 NS
<br /> 3!22!01 Ba,D00a 9'50 510 6,8004 18 DODb 3,200h 18,0004 NA NA NA NA NA NS
<br /> 10177!01 130,009, 960 660 5,900a 20 0006 3,600a 24,000a NA NA NA NA NA NS
<br /> 2121102 120,000 960 400 6,300 18,000 3500 2D,000 ND ND ND ND ND
<br /> 12280.MON 12002EO34 - Page 17 of 18
<br /> Copyright 2002,Kleinfelder,Inc, May 10,2002
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